Home / 20,631.14-30,941.72-9,527.15

Finding the Fourth Proportional to 20,631.14, 30,941.72 and 9,527.15

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Solution

The fourth proportional to 20,631.14, 30,941.72 and 9,527.15 is: 14,288.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,631.14 : 30,941.72 = 9,527.15 : x
  2. Step 2: Convert to fraction form
    20,631.14/30,941.72 = 9,527.15/x
  3. Step 3: Cross multiply
    20,631.14x = 30,941.72 × 9,527.15
  4. Step 4: Simplify right side
    20,631.14x = 294,786,407.70
  5. Step 5: Solve for x
    x = 294,786,407.70/20,631.14
  6. Step 6: Final answer
    x = 14,288.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.